Home / 36,880.71-55,294.93-20,248.57

Finding the Fourth Proportional to 36,880.71, 55,294.93 and 20,248.57

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Solution

The fourth proportional to 36,880.71, 55,294.93 and 20,248.57 is: 30,358.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,880.71 : 55,294.93 = 20,248.57 : x
  2. Step 2: Convert to fraction form
    36,880.71/55,294.93 = 20,248.57/x
  3. Step 3: Cross multiply
    36,880.71x = 55,294.93 × 20,248.57
  4. Step 4: Simplify right side
    36,880.71x = 1,119,643,260.75
  5. Step 5: Solve for x
    x = 1,119,643,260.75/36,880.71
  6. Step 6: Final answer
    x = 30,358.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.